Scale model of the Chinese-manufactured S26T submarine design being constructed for the Royal Thai Navy. (Gordon Arthur) CHRISTCHURCH, New Zealand — Once tempted to ditch its acquisition of a ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

A massive program of upgrades to Australia's aging fleet of Collins Class submarines, aimed at keeping them in the water a ...

One of Japan’s leading shipbuilders is facing yet another round of scrutiny for its submarine construction work after coming under fire for cozying up to submarine crew members.

Japan's Ministry of Defense announced in December 2025 that it had suspended Kawasaki Heavy Industries from bidding on defense contracts until March 11, 2026, a 2.5-month ban following revelations of ...